Alert archive / Missouri / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 13, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Mar 27, 2020, 1:41 AM CDT for 4 counties in Missouri. It was in force for 64 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 27, 2020, 1:41 AM CDT (06:41 UTC)
- Expired
- Mar 27, 2020, 2:45 AM CDT
- In force
- 64 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Callaway County, MO, Lincoln County, MO, Montgomery County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 61 km from the middle of the area, began a volume at 06:43 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 27, 2:44 AM CDT | HAIL 1 | Warrenton, MO | REPORT FROM MPING: QUARTER (1.00 IN.). |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 26, 10:27 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 6.7 hours before the alert went out and 284 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 535 m above ground
- 0-6 km bulk shear
- 92 kt
- 0-1 km storm-relative helicity
- 215 m²/s²
- 0-3 km storm-relative helicity
- 430 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
102
WUUS53 KLSX 270641
SVRLSX
MOC027-113-139-219-270745-
/O.NEW.KLSX.SV.W.0013.200327T0641Z-200327T0745Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
141 AM CDT Fri Mar 27 2020
The National Weather Service in St Louis has issued a
* Severe Thunderstorm Warning for...
Southwestern Lincoln County in east central Missouri...
Montgomery County in east central Missouri...
Northeastern Callaway County in central Missouri...
Warren County in east central Missouri...
* Until 245 AM CDT.
* At 141 AM CDT, a severe thunderstorm was located near Williamsburg,
moving east at 60 mph.
HAZARD...Quarter size hail.
SOURCE...Public.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Troy, Warrenton, Wright City, Montgomery City, Marthasville, New
Florence, Jonesburg, Truesdale, Hawk Point, Innsbrook, Bellflower,
Big Spring, Williamsburg, Mineola, Foristell, High Hill, Rhineland,
Truxton, McKittrick and Cave.
This includes Interstate 70 in Missouri between exits 161 and 200.
This also includes Graham Cave State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3903 9096 3863 9096 3865 9123 3871 9131
3870 9136 3871 9140 3871 9149 3868 9154
3869 9160 3870 9163 3871 9173 3899 9175
TIME...MOT...LOC 0641Z 267DEG 51KT 3884 9169
HAIL...1.00IN
WIND...<50MPH
$$
BSH4 follow-up statements
597
WWUS53 KLSX 270653
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
153 AM CDT Fri Mar 27 2020
MOC027-270703-
/O.CAN.KLSX.SV.W.0013.000000T0000Z-200327T0745Z/
Callaway MO-
153 AM CDT Fri Mar 27 2020
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CALLAWAY COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
central and east central Missouri.
LAT...LON 3900 9164 3903 9096 3863 9096 3865 9123
3871 9131 3870 9136 3871 9140 3871 9149
3868 9154 3870 9165
TIME...MOT...LOC 0653Z 266DEG 47KT 3884 9151
$$
MOC113-139-219-270745-
/O.CON.KLSX.SV.W.0013.000000T0000Z-200327T0745Z/
Lincoln MO-Montgomery MO-Warren MO-
153 AM CDT Fri Mar 27 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CDT
FOR SOUTHWESTERN LINCOLN...MONTGOMERY AND WARREN COUNTIES...
At 153 AM CDT, a severe thunderstorm was located near Big Spring,
moving east at 55 mph.
HAZARD...Quarter size hail.
SOURCE...Public.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Troy, Warrenton, Wright City, Montgomery City, Marthasville, New
Florence, Jonesburg, Truesdale, Hawk Point, Innsbrook, Bellflower,
Big Spring, Mineola, Foristell, High Hill, Rhineland, Truxton,
McKittrick, Cave and Danville.
This also includes Graham Cave State Park.
This includes Interstate 70 in Missouri between exits 170 and 200.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3900 9164 3903 9096 3863 9096 3865 9123
3871 9131 3870 9136 3871 9140 3871 9149
3868 9154 3870 9165
TIME...MOT...LOC 0653Z 266DEG 47KT 3884 9151
HAIL...1.00IN
WIND...<50MPH
$$
BSH295
WWUS53 KLSX 270709
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
209 AM CDT Fri Mar 27 2020
MOC139-270719-
/O.CAN.KLSX.SV.W.0013.000000T0000Z-200327T0745Z/
Montgomery MO-
209 AM CDT Fri Mar 27 2020
...THE SEVERE THUNDERSTORM WARNING FOR MONTGOMERY COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
east central Missouri.
LAT...LON 3884 9142 3885 9126 3902 9126 3903 9096
3863 9096 3865 9123 3871 9131 3870 9136
3871 9142
TIME...MOT...LOC 0709Z 267DEG 51KT 3885 9121
$$
MOC113-219-270745-
/O.CON.KLSX.SV.W.0013.000000T0000Z-200327T0745Z/
Lincoln MO-Warren MO-
209 AM CDT Fri Mar 27 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CDT
FOR SOUTHWESTERN LINCOLN AND WARREN COUNTIES...
At 209 AM CDT, a severe thunderstorm was located near Warrenton,
moving east at 60 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Troy, Warrenton, Wright City, Marthasville, Jonesburg, Truesdale,
Hawk Point, Innsbrook, Foristell, Truxton, Cave and Holstein.
This includes Interstate 70 in Missouri between exits 188 and 200.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3884 9142 3885 9126 3902 9126 3903 9096
3863 9096 3865 9123 3871 9131 3870 9136
3871 9142
TIME...MOT...LOC 0709Z 267DEG 51KT 3885 9121
HAIL...1.00IN
WIND...<50MPH
$$
BSH136
WWUS53 KLSX 270729
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
229 AM CDT Fri Mar 27 2020
MOC113-219-270745-
/O.CON.KLSX.SV.W.0013.000000T0000Z-200327T0745Z/
Lincoln MO-Warren MO-
229 AM CDT Fri Mar 27 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CDT
FOR SOUTHWESTERN LINCOLN AND WARREN COUNTIES...
At 229 AM CDT, a severe thunderstorm was located over Jonesburg,
moving east at 60 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Troy, Warrenton, Wright City, Jonesburg, Truesdale, Hawk Point,
Innsbrook, Foristell, Truxton and Cave.
This includes Interstate 70 in Missouri between exits 188 and 200.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3884 9142 3885 9126 3902 9126 3903 9096
3871 9096 3871 9142
TIME...MOT...LOC 0729Z 267DEG 51KT 3886 9134
HAIL...1.00IN
WIND...<50MPH
$$
BSH102
WWUS53 KLSX 270741
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
241 AM CDT Fri Mar 27 2020
MOC113-219-270750-
/O.EXP.KLSX.SV.W.0013.000000T0000Z-200327T0745Z/
Lincoln MO-Warren MO-
241 AM CDT Fri Mar 27 2020
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LINCOLN AND
WARREN COUNTIES WILL EXPIRE AT 245 AM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However small hail
is still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
east central Missouri.
LAT...LON 3884 9142 3885 9126 3902 9126 3903 9096
3871 9096 3871 9142
TIME...MOT...LOC 0740Z 267DEG 51KT 3886 9122
$$
BSHThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 26, 8:57 PM CDT | River Flood Warning | LSX | Jefferson, Saint Louis | 23 hr |
| Mar 27, 12:46 AM CDT | Severe Thunderstorm Warning | LSX | Boone, Callaway, Cole, Moniteau | 59 min |
| Mar 27, 2:51 AM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles, Saint Louis, Warren, City of Saint Louis | 54 min |
| Mar 27, 11:34 AM CDT | River Flood Warning | LSX | Lincoln | 11 days |
| Mar 27, 6:19 PM CDT | Severe Thunderstorm Warning | LSX | Reynolds | 41 min |
| Mar 27, 6:56 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Madison, Reynolds, Saint Francois | 34 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2020Every severe thunderstorm warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.